Re: PCIe Hotplug: NFG unless I boot with card already inserted.

[Mark Lord <lkml@rtr.ca>]

Kristen Carlson Accardi wrote:
> On Tue, 16 Oct 2007 14:39:33 -0400
> Mark Lord <lkml@rtr.ca> wrote:
> 
>> I also checked my modprobe.d/ options, and I am using pciehp_force=1.
>> Without that flag, none of this ever works.
> 
> OK - I suspected something like this.  Most Dell computers don't support
> ExpressCard hotplug using Native PCIe -- in fact, I've not seen a single
> one, they explicitly disable it because they have not validated it or
> they have and something didn't work right.  I'll take a look at what you've
> got, but be aware that you are forcing pciehp to load and operate on a system
> where they've certainly either not tested it, or tested it and something
> bad happened.

Perhaps.  But this one works perfectly, except for two driver bugs:

1. Driver does not notice already-inserted cards after modprobe.
2. Driver fails to function after suspend/resume until reloaded.

Both of those are fixable in the kernel.

Cheers